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Special Marine Warning — Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM

Structured official-source report · Published Sep 20, 8:51 PM UTC · Updated Sep 20, 8:40 PM UTC
SIGNIFICANT · active

Latest status

SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... * Until 515 PM EDT. * At 440 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Black Point, moving south at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Convoy Point, Turkey Point, Card Sound, Biscayne Bay, and Soldier Key. Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter.

Where it happened

Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM · 25.373°, -80.311°

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Latest reported details

official severity
Severe
urgency
Immediate
certainty
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event
Special Marine Warning
areas
Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

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What happens next

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Incident timeline

Sep 20, 8:40 PM UTC · nws

SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... * Until 515 PM EDT. * At 440 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Black Point, moving south at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Convoy Point, Turkey Point, Card Sound, Biscayne Bay, and Soldier Key. Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter.

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